什么叫分词状语

分词作状语

As I didn't receive any letter from him, I gave him a call.
-> Not receiving any letter from him, I gave him a call.
由于没有收到他的信，我给他打了电话。
If more attention was given, the trees could have grown better.
-> Given more attention，the trees could have grown better.
假如多给些照顾，那些树会长得更好。

典型例题
1）_____ some officials, Napoleon inspected his army.
A. Followed B. Followed by C. Being followed D. Having been followed
答案B. Napoleon 与follow 之间有被动的含义。being followed除表达被动之外，还有动作正在进行之意。 followed by（被…跟随）。本题可改为： With some officials following, Napoleon inspected his army.

2）There was a terrible noise ___ the sudden burst of light.
A. followed B. following C. to be followed D. being followed
答案B. 由于声音在闪电后，因此为声跟随着光，声音为跟随的发出者，为主动。用现在分词。

3）_______, liquids can be changed into gases.
A. Heating B. To be heated C. Heated D. Heat
答案C. 本题要选一分词作为状语。现在分词